Tennis is a racket sport played either individually (singles) or between two teams of two players (doubles) where players use a strung racket to hit a ball over a net and into the opponent's court
Facts
Tennis was originally played with bare hands, The longest match lasted 11 hours and 5 minutes, The first tennis balls were made of wool, Tennis was played at the Olympics in 1896, The fastest serve recorded was 163.7 mph, The yellow tennis ball was introduced in 1972
Tennis was initially played indoors, The longest rally lasted 29 minutes and 43 seconds, Venus and Serena Williams have never played against each other in a tournament, Wimledon has strict dress code rules